5.1 Basic Vocab

Front

Two lines intersect at a ....

Back

point

Front

Points that lie on the same plane are ________.

Back

coplanar

Front

Points that lie on the same line are _________.

Back

collinear

Front

The distance between two points is calculated using which formula?

Back

d = √((x2 - x1)² + (y2 - y1)²)

Front

What do you call a line that intersects two or more lines at different points?

Back

transversal

Front

What is the term for angles that are opposite each other when two lines cross?

Back

vertical angles

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

What do you call a pair of angles that add up to 90 degrees?

Back

complementary angles

Front

What do you call a pair of angles that add up to 180 degrees?

Back

supplementary angles

Front

What is the term for a line that runs parallel to one side of a triangle and divides the other two sides proportionally?

Back

midsegment